CN212654439U

CN212654439U - Cab double-torsion-bar turnover mechanism with damping structure

Info

Publication number: CN212654439U
Application number: CN202020738325.0U
Authority: CN
Inventors: 席跃坤
Original assignee: Sichuan Fengke Auto Parts Co ltd
Current assignee: Sichuan Fengke Auto Parts Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2021-03-05
Anticipated expiration: 2030-05-08

Abstract

The cab double-torsion-bar turnover mechanism with the damping structure comprises a transmission rod, wherein connecting seats are fixedly sleeved at two ends of the transmission rod and used for connecting a cab, supporting seats are rotatably sleeved at two ends of the transmission rod and located on the outer side of the connecting seats, fixing rods are arranged at the bottom of the transmission rod at intervals, the supporting seats are fixedly sleeved at two ends of the fixing rods, and the outer parts of the fixing rods are rotatably connected with a buffer mechanism; the buffer mechanism comprises a side plate, a support plate and an elastic buffer piece; the utility model discloses when the cockpit rotates downwards, the cockpit can strike on each elastic buffer, and elastic buffer reversely supports the cockpit, realizes the shock attenuation buffering, and simultaneously, the curb plate can rotate downwards and drive the torsional spring shrink to realize that the two-stage supports the buffering, reduce the striking between cockpit and the vehicle chassis.

Description

Cab double-torsion-bar turnover mechanism with damping structure

Technical Field

The utility model belongs to the technical field of car tilting mechanism, in particular to driver's cabin two torsion bar tilting mechanism with shock-absorbing structure.

Background

The heavy truck engine is arranged below the cab, which must be turned forward in order to facilitate the servicing of the engine. The weight of the cab is about 800 kg generally, and manual overturning is not only laborious, low in efficiency, but also unsafe; in order to realize the overturning of the cockpit, an overturning mechanism is often arranged at the bottom of the cockpit, and is driven to rotate by a gear box so as to drive the cockpit to overturn;

after the overhaul finishes, tilting mechanism drives the cockpit and rotates downwards and reset, because current tilting mechanism lacks shock-absorbing structure and the distribution face is limited, leads to the cockpit at last when reseing comparatively acutely with the collision of frame, causes cockpit, frame vibration, can cause the influence to tilting mechanism's reliability for local vibration is not hard up.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to prior art exists, provide the two torsion bar tilting mechanism of driver's cabin with shock-absorbing structure, concrete technical scheme is as follows:

the cab double-torsion-bar turnover mechanism with the damping structure comprises a transmission rod, wherein connecting seats are fixedly sleeved at two ends of the transmission rod and used for connecting a cab, supporting seats are rotatably sleeved at two ends of the transmission rod and located on the outer side of the connecting seats, fixing rods are arranged at the bottom of the transmission rod at intervals, the supporting seats are fixedly sleeved at two ends of the fixing rods, and the outer parts of the fixing rods are rotatably connected with a buffer mechanism;

buffer gear includes curb plate, backup pad and elastomeric buffer, the cover is all rotated at the both ends of dead lever and is equipped with the curb plate, the curb plate is located the outside of supporting seat, the curb plate deviates from the one end inner wall of dead lever is equipped with the backup pad, the backup pad be for locating in the bottom of cockpit, the surface of backup pad is equipped with elastomeric buffer, elastomeric buffer is used for slowing down the vibration of cockpit.

Further, the outer wall of dead lever is equipped with outer fender ring perpendicularly, outer fender ring laminating in the outside of curb plate.

Furthermore, the side face, close to the supporting seat, of the side plate is connected with a torsion spring, the inner end of the torsion spring is connected with the supporting seat, and the torsion spring is sleeved outside the fixing rod.

Furthermore, the side plate comprises an arc plate and a long plate, the arc plate is of a downward arc structure, one end of the arc plate is rotatably sleeved on the outer wall of the fixed rod, the other end of the arc plate is connected with the long plate, and the long plate is symmetrically arranged on two sides of the supporting plate.

Further, elastic buffer spare includes cylinder, bottom tube and spring, the bottom tube is located perpendicularly the surface of backup pad, the inside slip cover of bottom tube is equipped with the cylinder, the internally mounted of bottom tube has the spring, the spring is located go up the bottom of cylinder, go up the top of cylinder with the bottom surface slip laminating of cockpit.

The utility model has the advantages that: when the cockpit rotates downwards, the cockpit can strike on each elastic buffer member, and elastic buffer member supports the cockpit in the reverse direction, realizes the shock attenuation buffering, and simultaneously, the curb plate can rotate downwards and drive the torsional spring shrink to realize that the two-stage supports the buffering, reduce the striking between cockpit and the vehicle chassis.

Drawings

Fig. 1 shows a schematic structural diagram of a cab double torsion bar turnover mechanism with a shock-absorbing structure according to the present invention;

fig. 2 shows a schematic view of a connection structure of the buffer mechanism and the transmission rod of the present invention;

fig. 3 shows a schematic structural view of the elastic buffer of the present invention;

fig. 4 shows a schematic view of the structure of the buffer mechanism cooperating with the cockpit;

shown in the figure: 1. a supporting seat; 2. a transmission rod; 3. fixing the rod; 31. an outer retainer ring; 4. a connecting seat; 5. a buffer mechanism; 51. a side plate; 511. a torsion spring; 52. a support plate; 53. an elastic buffer member; 531. an upper column; 532. a bottom tube; 533. a spring; 6. a vehicle undercarriage; 7. a cockpit.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The cab double-torsion bar turnover mechanism with the damping structure comprises a transmission rod 2, wherein connecting seats 4 are fixedly sleeved at two ends of the transmission rod 2, the connecting seats 4 are used for being connected with a cab 7, supporting seats 1 are rotatably sleeved at two ends of the transmission rod 2, the supporting seats 1 are positioned on the outer side of the connecting seats 4, fixing rods 3 are arranged at the bottom of the transmission rod 2 at intervals, the supporting seats 1 are fixedly sleeved at two ends of the fixing rods 3, and the outer parts of the fixing rods 3 are rotatably connected with a buffer mechanism 5;

the buffer mechanism 5 comprises a side plate 51, a support plate 52 and an elastic buffer member 53, the two ends of the fixed rod 3 are rotatably sleeved with the side plate 51, the side plate 51 is positioned at the outer side of the support seat 1, the inner wall of one end of the side plate 51, which is far away from the fixed rod, is provided with the support plate 52, the support plate 52 is oppositely arranged at the bottom of the cockpit 7, the surface of the support plate 52 is provided with the elastic buffer member 53, and the elastic buffer member 53 is used for reducing the vibration of the cockpit 7; the buffer mechanism 5 can realize that when the cockpit rotates downwards, the cockpit can impact on each elastic buffer member 53, and the elastic buffer members 53 reversely support the cockpit, so that shock absorption and buffering are realized, severe shaking of the cockpit in driving is avoided, and the impact generated during rotation resetting is small.

As an improvement of the above technical solution, an outer baffle ring 31 is vertically arranged on the outer wall of the fixing rod 3, and the outer baffle ring 31 is attached to the outer side of the side plate 51; the outer retainer ring 31 can support the stopper side plate 51 from the outside, preventing the side plate from being shifted outward.

As an improvement of the above technical solution, the side surface of the side plate 51 close to the supporting seat 1 is connected with a torsion spring 511, the inner end of the torsion spring 511 is connected with the supporting seat 1, and the torsion spring 511 is sleeved outside the fixing rod 3; when the side plates rotate, the side plates can drive the torsion springs to contract, so that two-stage supporting buffering is realized, and the supporting buffering effect is improved.

As an improvement of the above technical solution, the side plate 51 includes an arc plate and a long plate, the arc plate has a downward arc structure, one end of the arc plate is rotatably sleeved on the outer wall of the fixing rod 3, the other end of the arc plate is connected with the long plate, and the long plate is symmetrically arranged on two sides of the supporting plate 52; when the side plates rotate, the arc plate structure can enable the force to be transmitted more stably, and the connection strength is improved.

As an improvement of the above technical solution, the elastic buffer 53 includes an upper cylinder 531, a bottom tube 532 and a spring 533, the bottom tube 532 is vertically disposed on the surface of the support plate 52, the upper cylinder 531 is slidably sleeved inside the bottom tube 532, the spring 533 is mounted inside the bottom tube 532, the spring 533 is disposed at the bottom of the upper cylinder 531, and the top end of the upper cylinder 531 is slidably attached to the bottom surface of the cockpit 7; when the cockpit moves, the upper cylinder 531 slides up and down along the bottom tube 532, and the spring 533 can play a buffering effect.

When the engine needs to be overhauled, the external transmission equipment drives the transmission rod 2 to rotate, the transmission rod 2 drives the connecting seat 4 to rotate, and the connecting seat 4 drives the cockpit to rotate upwards; at this time, the upper cylinder 531 and the side plate 51 lose pressure, the spring 533 drives the upper cylinder 531 to slide upwards to reset, and the torsion spring 511 drives the side plate 51 to rotate upwards to reset;

after the overhaul is finished, the transmission rod 2 drives the connecting seat 4 to rotate downwards, the connecting seat 4 drives the cockpit to rotate downwards to reset, when the cockpit rotates to the bottommost part, the cockpit presses each upper column body 531 downwards, so that the upper column bodies 531 are downwards collected into the bottom pipe 532 and compress the springs 533, meanwhile, after the upper column bodies 531 are compressed to a certain amount, the side plates 51 are pressed to rotate downwards, the torsion springs 511 are contracted when the side plates 51 rotate downwards, and therefore the cockpit is more stable in contact with the vehicle underframe 6, and severe collision between the cockpit and the vehicle underframe is avoided;

when the vehicle runs and jolts up and down, the cockpit moves last time, the upper column 531 and the side plate 51 can swing up and down along with the cockpit, two-stage buffer protection is realized, and the riding comfort of a driver is improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Two torsion bar tilting mechanism of driver's cabin with shock-absorbing structure, its characterized in that: the device comprises a transmission rod (2), connecting seats (4) are fixedly sleeved at two ends of the transmission rod (2), the connecting seats (4) are used for being connected with a cockpit (7), supporting seats (1) are rotatably sleeved at two ends of the transmission rod (2), the supporting seats (1) are positioned on the outer side of the connecting seats (4), fixing rods (3) are arranged at the bottom of the transmission rod (2) at intervals, the supporting seats (1) are fixedly sleeved at two ends of the fixing rods (3), and the outside of the fixing rods (3) is rotatably connected with a buffer mechanism (5);

buffer gear (5) include curb plate (51), backup pad (52) and elastomeric damper (53), the both ends of dead lever (3) are all rotated the cover and are equipped with curb plate (51), curb plate (51) are located the outside of supporting seat (1), curb plate (51) deviate from the one end inner wall of dead lever is equipped with backup pad (52), backup pad (52) are arranged in relatively the bottom of cockpit (7), the surface of backup pad (52) is equipped with elastomeric damper (53), elastomeric damper (53) are used for slowing down the vibration of cockpit (7).

2. The cab double torsion bar turnover mechanism with a shock-absorbing structure in accordance with claim 1, wherein: the outer wall of the fixing rod (3) is vertically provided with an outer retaining ring (31), and the outer retaining ring (31) is attached to the outer side of the side plate (51).

3. The cab double torsion bar turnover mechanism with a shock-absorbing structure in accordance with claim 1, wherein: the side face, close to the supporting seat (1), of the side plate (51) is connected with a torsion spring (511), the inner end of the torsion spring (511) is connected with the supporting seat (1), and the torsion spring (511) is sleeved outside the fixing rod (3).

4. The cab double torsion bar turnover mechanism with a shock-absorbing structure in accordance with claim 3, wherein: the side plates (51) comprise arc plates and long plates, the arc plates are of downward arc structures, one ends of the arc plates are rotatably sleeved on the outer walls of the fixing rods (3), the other ends of the arc plates are connected with the long plates, and the long plates are symmetrically arranged on two sides of the supporting plate (52).

5. The cab double torsion bar turnover mechanism with a shock-absorbing structure in accordance with claim 3, wherein: elastic buffer spare (53) include cylinder (531), bottom tube (532) and spring (533), bottom tube (532) are located perpendicularly the surface of backup pad (52), the inside sliding sleeve of bottom tube (532) is equipped with cylinder (531), the internally mounted of bottom tube (532) has spring (533), spring (533) are located go up the bottom of cylinder (531), go up the top of cylinder (531) with the bottom surface sliding fit of cockpit (7).